/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2008 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ /* All Rights Reserved */ /* * These routines are based on the standard UNIX stdio popen/pclose * routines. This version takes an argv[][] argument instead of a string * to be passed to the shell. The routine execvp() is used to call the * program, hence the name popenvp() and the argument types. * * This routine avoids an extra shell completely, along with not having * to worry about quoting conventions in strings that have spaces, * quotes, etc. */ #pragma ident "%Z%%M% %I% %E% SMI" #include #include "libmail.h" #include #include #include pid_t systemvp(char *file, char **argv, int resetid) { int status; pid_t pid, w; void (*istat)(int), (*qstat)(int); if ((pid = fork()) == 0) { if (resetid) { (void) setgid(getgid()); (void) setuid(getuid()); } (void) execvp(file, argv); _exit(127); } istat = signal(SIGINT, SIG_IGN); qstat = signal(SIGQUIT, SIG_IGN); do { w = wait(&status); } while (w != pid && w != (pid_t)-1); (void) signal(SIGINT, istat); (void) signal(SIGQUIT, qstat); return ((w == (pid_t)-1)? w: (pid_t)status); }